8. Which is correct?
a. An electron can absorb energy when it jumps to a higher energy level.
b. Nucleus is a region in an atom where electron can be found.
c. Filling of electrons starts with highest to lowest energy level.
d. Fourth shell can hold a maximum of 18 electrons.
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Answer:
A. An electron can absorb energy when it jumps to a higher energy level.
Answer:
b.Nucleus is a region in an atom where electron can be found.